Added ESLint

eslint.config.js

@@ -0,0 +1,42 @@
+import eslint from '@eslint/js';
+import tseslint from '@typescript-eslint/eslint-plugin';
+import tsparser from '@typescript-eslint/parser';
+import importPlugin from 'eslint-plugin-import';
+
+export default [
+  eslint.configs.recommended,
+  {
+    files: ['**/*.ts'],
+    languageOptions: {
+      parser: tsparser,
+      parserOptions: {
+        project: './tsconfig.json',
+        ecmaVersion: 2023,
+      },
+    },
+    plugins: {
+      '@typescript-eslint': tseslint,
+      'import': importPlugin,
+    },
+    rules: {
+      ...tseslint.configs['recommended'].rules,
+      ...tseslint.configs['recommended-requiring-type-checking'].rules,
+      'import/order': ['error', {
+        'groups': [
+          'builtin',
+          'external',
+          'internal',
+          ['parent', 'sibling'],
+          'index',
+          'object',
+          'type'
+        ],
+        'newlines-between': 'always',
+        'alphabetize': {
+          'order': 'asc',
+          'caseInsensitive': true
+        }
+      }]
+    }
+  }
+];